50s ring in 18 kt white and yellow gold with diamonds

50s ring in 18 kt white and yellow gold with 0.25 ct antique cut diamond and two other 0.16 ct diamonds.
Ring in excellent condition and with excellent manufacture
Punched with gold title and trademark
Weight: 8.20 gr
Size: 16
Diamonds: 0.25 + 0.16 ct
Cut: antique